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Finding the Fourth Proportional to 8,303.54, 12,453.18 and 2,458.78

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Solution

The fourth proportional to 8,303.54, 12,453.18 and 2,458.78 is: 3,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.54 : 12,453.18 = 2,458.78 : x
  2. Step 2: Convert to fraction form
    8,303.54/12,453.18 = 2,458.78/x
  3. Step 3: Cross multiply
    8,303.54x = 12,453.18 × 2,458.78
  4. Step 4: Simplify right side
    8,303.54x = 30,619,634.96
  5. Step 5: Solve for x
    x = 30,619,634.96/8,303.54
  6. Step 6: Final answer
    x = 3,687.54

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